Aerojet Rocketdyne, Inc.

Michael Madigan

Brian A Koch

Alexandr L Kristalinski

A circuit () comprising: a first power source () supplying first current to a load () during a first Period of Time ('PoT'); a second power source () supplying a second current to the load during a second POT; a Unidirectional Current Valve ('UCV') in series with the first power source; a current detector () in series with the UCV (); and a switch () in parallel with a series combination of the current detector and UCV to bypass the UCV during the second PoT. The current detector determines whether the second period of time has commenced and whether the switch has closed.

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Woodinville, WA, United States of America

Michael Madigan